Start learning →

How many words can be formed using all letters of HELLO?

A5!/2! = 60 (L repeats)
B5!
C5
D120
Answer & Solution
Correct answer: A. 5!/2! = 60 (L repeats)
HELLO: H, E, L, L, O — L repeats twice. Arrangements = 5!/2! = 120/2 = 60.
Practise this question with Quill — CAT →

Keep practising CAT QA — Mixed

Browse all CAT QA — Mixed questions for CAT, or explore more Quantitative Aptitude topics.

Start a CAT QA — Mixed lesson →
Related questions
Pythagorean triplet (3, 4, ?): missing value:Volume of a cylinder with radius 3 and height 10:Circumference of circle with radius 7:Geometry: Area of equilateral triangle with side 6 cm:Remainder when 7^100 is divided by 5:If log_2(x) = 5, then x =Log base 10 of 1000:Sum and product of roots of x² + 7x + 12 = 0: